package controller;

import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Controller;
import org.springframework.ui.Model;
import org.springframework.web.bind.annotation.PathVariable;
import org.springframework.web.bind.annotation.RequestMapping;
import pojo.User;
import service.UserService;
import utils.Page;

import java.util.List;

@Controller
@RequestMapping("/user")
public class UserController {
    @Autowired
    private UserService userService;
    private static String currentId;
    public static String getCurrentId() {
        return currentId;
    }


    @RequestMapping("/login")
    public String login(User user) {
        boolean flag = userService.login(user);
        currentId=userService.findByUser(user);
        if (flag) {
            return "index";
        } else {
            return "login";
        }
    }

    @RequestMapping("/list/{currentPage}")
    public String list(User user, @PathVariable("currentPage") Integer currentPage, Model model) {
        //查询数据
        Page page = new Page();
        int totalCount = userService.count(user);
        page.setTotalCount(totalCount);
        page.setCurrentPage(currentPage);
        page.setTotalPage();
        //计算偏移量
        int offset = (currentPage - 1) * page.getPageSize();
        List<User> users = userService.findAll(user, offset, page.getPageSize());
        model.addAttribute("page", page);
        model.addAttribute("users", users);
        model.addAttribute("user", user);
        return "user/list";
    }

    @RequestMapping("/toadd")
    public String toAdd() {
        return "user/add";
    }

    @RequestMapping("/addSave")
    public String addSave(User user) {
        int result = userService.addUser(user);
        if (result > 0) {
            return "redirect:/user/list/1";
        } else {
            return "error";
        }
    }
    @RequestMapping("/delete/{id}")
    public String delete(@PathVariable("id") Integer id){
        int result = userService.deleteUserById(id);
        if(result>0){
            return "redirect:/user/list/1";
        }else{
            return "error";
        }
    }
    @RequestMapping("/toupdate/{id}")
    public String toUpdate(@PathVariable("id") Integer id,Model model){
        model.addAttribute("user",userService.findUserById(id));
        return "user/update";
    }
    @RequestMapping("/updateSave")
    public String updateSave(User user){
        int result = userService.updateUser(user);
        if(result>0){
            return "redirect:/user/list/1";
        }else{
            return "error";
        }
    }
}
